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Doctor insights on: Creatinine Testing Kit

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Can a doctor test for Creatinine & Kidney Function w/ a urine sample that is provided via OTC drug tests kits that use the cups a patient urinates in?

Can a doctor test for Creatinine & Kidney Function w/ a urine sample that is provided via OTC drug tests kits that use the cups a patient urinates in?

Can do a UA: Urinalysis measures some aspects of renal function but not all of them. A cup is a cup. Creatinine is measured in urine but is meaningless unless it's also measured in the serum. The whole business is tricky and confusing. Hope everything turns out well for you. ...Read more

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Dr. Madhu Kandarpa
2,189 doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more


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Need to no where to buy a drug testing kit?

Need to no where to buy a drug testing kit?

Most pharmacies: supply these and they can also be found and purchased via the internet but be cautious with these tests as they can produce many false positives and negatives unless backed by confirmation testing. ...Read more

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Are sotalol levels tested by actually testing for sotalol or by creatinine levels?

Are sotalol levels tested by actually testing for sotalol or by creatinine levels?

EKG: Sotalol "levels" are inferred indirectly by monitoring the ECG. What we look for is a "QT" interval. If the "QT" interval is too long, then would cut back on dose. If "QT" ok, then same dose. ...Read more

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Have drugstores begun selling home DNA testing kits? Where can you buy a kit?

Have drugstores begun selling home DNA testing kits?  Where can you buy a kit?

Nowhere: DNA testing is too sophisticated for general public to handle at home! ...Read more

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Why blood sugar testing kit shows 2 different result if i take the second one right after the first one?

Why blood sugar testing kit shows 2 different result if i take the second one right after the first one?

Life is not exact: Lab tests give a number (display a result) that is a close estimate of the real value. That means a drop of blood has a blood sugar level in it, but doing 2 tests on that one drop of blood will display 2, usually different, numbers - each of which is an estimate of the blood sugar level in that one drop of blood. That's basically how lab tests work. ...Read more

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I used an oral HIV home testing kit last month it had only been 3 months it came up negative should I worry about hiv?

I used an oral HIV home testing kit last month it had only been 3 months it came up negative should I worry about hiv?

HIV is hard to get: You have a 95% chance of being fine with that test. If you want to test again you should. But, if you have any high risk exposure remember you can prevent the infection in many cases if you act within 72 hours of the exposure. There is also an HIV test for the dna or RNA that closes the potential window down to 21 days post exposure for an accurate test. ...Read more

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24 y.o female, healthy, 20 day length cycles, Took Ovulation testing kits daily, no LH surge on any day? What does that mean?

24 y.o female, healthy, 20 day length cycles, Took Ovulation testing kits daily, no LH surge on any day? What does that mean?

Normal is 21-35: Normal cycles run 21-35 days. At 20 days, you are outside the normal limits. Time to see your doctor and have some tests done. ...Read more

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What is a pregnancy testing kit?

What is a pregnancy testing kit?

Determines Pregnancy: Urine pregnancy tests are available at pharmacies, grocery & convenience stores. They can be done in the privacy of your home. All pregnancy tests are based upon measurement of the hormone -- human chorionic gonadotrophin or HCG -- which is made after a fertilized egg implants in the uterus. Pregnancy can be determined as early as the first day of the missed period with 97%-99% accuracy. ...Read more

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What must I be careful of when using pregnancy testing kits?

What must I be careful of when using pregnancy testing kits?

Pregnancy tests: The best specimen is a first morning specimen and ideally at least 2-3 days after your missed period. ...Read more